Skip to main content
Caplight Logo









MJOLNIR SPACEWORKS Co., Ltd.

MJOLNIR SPACEWORKS Co., Ltd.

Private
SapporoFrontier & Industrial Techhttps://mjolnir-sw.com/

Last Round

Series B

May 29, 2026

Est. Valuation

$28.82M

Total Funding Raised

$12.68M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

MJOLNIR SPACEWORKS Co., Ltd. is an aerospace company that develops and manufactures hybrid rocket engines and weldless fuel tanks to enable the mass production of rockets.

Sector

Frontier & Industrial Tech

Verticals

Space Technology, Defense Tech, Computing Hardware

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

orbital infrastructurehybrid rocket enginesspace hardwarenewspaceweldless propellant tanksspace systems engineeringaerospace manufacturingdefense techlaunch vehicle componentsspace startuppropulsion systemsaerospace engineering

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

MJOLNIR SPACEWORKS Co., Ltd. Comparables

Compare MJOLNIR SPACEWORKS Co., Ltd. with similar companies based on industry and business-model similarity.

MJOLNIR SPACEWORKS Co., Ltd. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Pale Blue Inc.
75%
Letara株式会社
74%
Redwire Corporation
70%

MJOLNIR SPACEWORKS Co., Ltd. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BMay 29, 2026
GrantDec 29, 2025
Series A ExtensionOct 3, 2025
Series ADec 24, 2024
SeedJul 5, 2023

Key People

Founding team and executive leadership

Kazuo Yonekura

CEO

Executive Team

MJOLNIR SPACEWORKS Co., Ltd. Investors

Notable investors and investment history

MJOLNIR SPACEWORKS Co., Ltd. investors
InvestorRounds
北海道ベンチャーキャピタル株式会社Series B
Z Venture CapitalSeries B
JIC Venture Growth InvestmentsSeries B
Mitsubishi UFJ CapitalSeries B, Series A Extension, Series A
Incubate FundSeries B, Series A Extension, Seed, Series A
SPARX Asset ManagementSeries B
UntroD Capital Japan Inc.Series B, Series A Extension, Series A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 29, 2026

    $11M round with participation from Incubate Fund and Z Venture Capital.

  • Dec 29, 2025

    $11.5M grant from Japan Aerospace Exploration Agency

MJOLNIR SPACEWORKS Co., Ltd. Filings

Explore SEC and related filing metadata, where available.

MJOLNIR SPACEWORKS Co., Ltd. filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about MJOLNIR SPACEWORKS Co., Ltd.'s valuation, stock price, and market status.

Is MJOLNIR SPACEWORKS Co., Ltd. a public or private company?

MJOLNIR SPACEWORKS Co., Ltd. is a private company.

What is the current stock price of MJOLNIR SPACEWORKS Co., Ltd.?

MJOLNIR SPACEWORKS Co., Ltd. is a private company with no public stock price. No recent secondary market data is available.

How much is MJOLNIR SPACEWORKS Co., Ltd. worth (valuation)?

Valuation information for MJOLNIR SPACEWORKS Co., Ltd. is not publicly available.

Can I buy MJOLNIR SPACEWORKS Co., Ltd. stock?

MJOLNIR SPACEWORKS Co., Ltd. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was MJOLNIR SPACEWORKS Co., Ltd.'s last funding round?

MJOLNIR SPACEWORKS Co., Ltd.'s most recent funding round was Series B on May 29, 2026.

Who are the main investors in MJOLNIR SPACEWORKS Co., Ltd.?

Key investors in MJOLNIR SPACEWORKS Co., Ltd. include 北海道ベンチャーキャピタル株式会社, Z Venture Capital, JIC Venture Growth Investments, Mitsubishi UFJ Capital, Incubate Fund.

Will MJOLNIR SPACEWORKS Co., Ltd. IPO soon?

No public IPO plans have been announced for MJOLNIR SPACEWORKS Co., Ltd..

How can I track MJOLNIR SPACEWORKS Co., Ltd. secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor MJOLNIR SPACEWORKS Co., Ltd.'s secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSapporo
Employee Range18
Year Founded2020
Last FundingMay 29, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?